Resource Allocation Method Based on One-to-Many Matching in Heterogeneous Networks
A resource allocation, multi-matching technology, applied in location-based services, machine-to-machine/machine-type communication services, advanced technologies, etc., can solve problems such as less consideration of macro-cell user spectrum resource interference management issues, and achieve improved Spectral efficiency and system throughput, reducing computational complexity, and reducing the effect of same-layer interference
Active Publication Date: 2022-05-31
CHONGQING UNIV OF POSTS & TELECOMM +1
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Problems solved by technology
However, there are relatively few studies on the resource allocation problem in the multi-layer heterogeneous network composed of macro cells, Small Cells and D2D. In the existing literature, the research is mainly on the resource allocation problem of D2D users when D2D is introduced into the Macro Cell / SmallCell network. , less consideration is given to the interference management problem when the small cell users and D2D users in the multi-layer heterogeneous network multiplex the spectrum resources of the macro cell users
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[0070] S461, traverse all the sub-channels, cyclically execute steps S411 to S451, and obtain the end of this round of matching μ
[0073]
[0075] Those of ordinary skill in the art can understand that all or part of the steps in the various methods of the above-mentioned embodiments can be
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Abstract
The invention belongs to the technical field of mobile communication, and specifically relates to a resource allocation method based on one-to-many matching in a heterogeneous network, including multiplexing users obtaining location information of other multiplexing users, and using the location information to construct the relationship between each multiplexing user and other multiplexing users. Conflict sets between multiplexing users; use the rate maximization criterion to calculate the utility function of each multiplexing user, and solve the preference list of the multiplexing users for sub-channels; use the interference minimization criterion to calculate all multiplexing users on the sub-channel Interference generated by macro-cell users, solve the preference list of sub-channels for multiplexing users; in the case of ensuring the normal communication of macro-cell users, the premise that the multiplexing users and the multiplexing users in the conflict set are not assigned to the same sub-channel Next; using a one-to-many matching method, according to the preference list of multiplexing users to subchannels and the preference list of subchannels to multiplexing users, assign subchannels to all multiplexing users; the present invention can reduce computational complexity and reduce the interference.
Description
A Resource Allocation Method Based on One-to-Many Matching in Heterogeneous Networks technical field The invention belongs to the technical field of mobile communication, and is specifically a kind of resource allocation based on one-to-many matching in a heterogeneous network method. Background technique In recent years, with the popularization of intelligent terminals, mobile Internet and various wireless services, mobile communication data traffic The number of device connections is exploding, and the demand for wireless network capacity and coverage is increasing. while the traditional macro Cellular networks mainly provide wide-area coverage, which is difficult to meet the increasing shortage of wireless spectrum resources today. long traffic demand. In order to meet the possible needs of future wireless communication networks, deployment in traditional macrocellular networks Small Cell (small cell), and the introduction of Device-to-Device (D2D) communicati...
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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04H04W72/08H04W72/10H04W4/70H04W4/02
CPCH04W4/025H04W4/70H04W72/0453H04W72/541H04W72/56Y02D30/70
Inventor 袁泉赵瑞雪郭晖董昊罗菊
Owner CHONGQING UNIV OF POSTS & TELECOMM
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